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Bioelectronic Recordings of Cardiomyocytes With Accumulation Mode Electrolyte Gated Organic Field Effect Transistors

Bioelectronic Recordings of Cardiomyocytes With Accumulation Mode Electrolyte Gated Organic Field Effect Transistors

Adrica Kyndiah, Francesca Leonardi, Carolina Tarantino, Tobias Cramer, Ruben Millan-Solsona, Elena Garreta, Núria Montserrat, Marta Mas-Torrent, Gabriel Gomila

Biosens Bioelectron. 2020 Feb 15;150:111844.

PMID: 31740253

Abstract:

Organic electronic materials offer an untapped potential for novel tools for low-invasive electrophysiological recording and stimulation devices. Such materials combine semiconducting properties with tailored surface chemistry, elastic mechanical properties and chemical stability in water. In this work, we investigate solution processed Electrolyte Gated Organic Field Effect Transistors (EGOFETs) based on a small molecule semiconductor. We demonstrate that EGOFETs based on a blend of soluble organic semiconductor 2,8-Difluoro-5,11-bis(triethylsilylethynyl)anthradithiophene (diF-TES-ADT) combined with an insulating polymer show excellent sensitivity and long-term recording under electrophysiological applications. Our devices can stably record the extracellular potential of human pluripotent stem cell derived cardiomyocyte cells (hPSCs-CMs) for several weeks. In addition, cytotoxicity tests of pharmaceutical drugs, such as Norepinephrine and Verapamil was achieved with excellent sensitivity. This work demonstrates that organic transistors based on organic blends are excellent bioelectronics transducer for extracellular electrical recording of excitable cells and tissues thus providing a valid alternative to electrochemical transistors.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP1015071212	diF-TES-ADT		1015071-21-2	Price

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